diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/VehicleHalProto.proto b/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/VehicleHalProto.proto
deleted file mode 100644
index 58daca6..0000000
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/VehicleHalProto.proto
+++ /dev/null
@@ -1,110 +0,0 @@
-/*
- * Copyright (C) 2015 The Android Open Source Project
- *
- * Licensed under the Apache License, Version 2.0 (the "License");
- * you may not use this file except in compliance with the License.
- * You may obtain a copy of the License at
- *
- *      http://www.apache.org/licenses/LICENSE-2.0
- *
- * Unless required by applicable law or agreed to in writing, software
- * distributed under the License is distributed on an "AS IS" BASIS,
- * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
- * See the License for the specific language governing permissions and
- * limitations under the License.
- */
-
-syntax = "proto2";
-
-package vhal_proto;
-
-// CMD messages are from workstation --> VHAL
-// RESP messages are from VHAL --> workstation
-enum MsgType {
-    GET_CONFIG_CMD                      = 0;
-    GET_CONFIG_RESP                     = 1;
-    GET_CONFIG_ALL_CMD                  = 2;
-    GET_CONFIG_ALL_RESP                 = 3;
-    GET_PROPERTY_CMD                    = 4;
-    GET_PROPERTY_RESP                   = 5;
-    GET_PROPERTY_ALL_CMD                = 6;
-    GET_PROPERTY_ALL_RESP               = 7;
-    SET_PROPERTY_CMD                    = 8;
-    SET_PROPERTY_RESP                   = 9;
-    SET_PROPERTY_ASYNC                  = 10;
-    DEBUG_CMD                           = 11;
-    DEBUG_RESP                          = 12;
-}
-enum Status {
-    RESULT_OK                           = 0;
-    ERROR_UNKNOWN                       = 1;
-    ERROR_UNIMPLEMENTED_CMD             = 2;
-    ERROR_INVALID_PROPERTY              = 3;
-    ERROR_INVALID_AREA_ID               = 4;
-    ERROR_PROPERTY_UNINITIALIZED        = 5;
-    ERROR_WRITE_ONLY_PROPERTY           = 6;
-    ERROR_MEMORY_ALLOC_FAILED           = 7;
-    ERROR_INVALID_OPERATION             = 8;
-}
-
-enum VehiclePropStatus {
-    AVAILABLE                           = 0;
-    UNAVAILABLE                         = 1;
-    ERROR                               = 2;
-}
-
-message VehicleAreaConfig {
-    required int32  area_id             = 1;
-    optional sint32 min_int32_value     = 2;
-    optional sint32 max_int32_value     = 3;
-    optional sint64 min_int64_value     = 4;
-    optional sint64 max_int64_value     = 5;
-    optional float  min_float_value     = 6;
-    optional float  max_float_value     = 7;
-}
-
-message VehiclePropConfig {
-    required int32             prop                = 1;
-    optional int32             access              = 2;
-    optional int32             change_mode         = 3;
-    optional int32             value_type          = 4;
-    optional int32             supported_areas     = 5;     // Deprecated - DO NOT USE
-    repeated VehicleAreaConfig area_configs        = 6;
-    optional int32             config_flags        = 7;
-    repeated int32             config_array        = 8;
-    optional string            config_string       = 9;
-    optional float             min_sample_rate     = 10;
-    optional float             max_sample_rate     = 11;
-};
-
-message VehiclePropValue {
-    // common data
-    required int32  prop                = 1;
-    optional int32  value_type          = 2;
-    optional int64  timestamp           = 3;    // required for valid data from HAL, skipped for set
-    optional VehiclePropStatus  status  = 10;   // required for valid data from HAL, skipped for set
-
-    // values
-    optional int32  area_id             = 4;
-    repeated sint32 int32_values        = 5;    // this also covers boolean value.
-    repeated sint64 int64_values        = 6;
-    repeated float  float_values        = 7;
-    optional string string_value        = 8;
-    optional bytes  bytes_value         = 9;
-};
-
-// This structure is used to notify what values to get from the Vehicle HAL
-message VehiclePropGet {
-    required int32 prop                 = 1;
-    optional int32 area_id              = 2;
-};
-
-message EmulatorMessage {
-    required MsgType           msg_type       = 1;
-    optional Status            status         = 2; // Only for RESP messages
-    repeated VehiclePropGet    prop           = 3; // Provided for getConfig, getProperty commands
-    repeated VehiclePropConfig config         = 4;
-    repeated VehiclePropValue  value          = 5;
-    repeated string            debug_commands = 6; // Required for debug command
-    optional string            debug_result   = 7; // Required for debug RESP messages
-};
diff --git a/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h b/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
index 3c38025..1c45271 100644
--- a/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
+++ b/automotive/vehicle/aidl/impl/fake_impl/hardware/include/FakeVehicleHardware.h
@@ -39,7 +39,7 @@
 namespace vehicle {
 namespace fake {
 
-class FakeVehicleHardware final : public IVehicleHardware {
+class FakeVehicleHardware : public IVehicleHardware {
   public:
     FakeVehicleHardware();
 
@@ -80,13 +80,15 @@
     void registerOnPropertySetErrorEvent(
             std::unique_ptr<const PropertySetErrorCallback> callback) override;
 
+  protected:
+    // mValuePool is also used in mServerSidePropStore.
+    const std::shared_ptr<VehiclePropValuePool> mValuePool;
+    const std::shared_ptr<VehiclePropertyStore> mServerSidePropStore;
+
   private:
     // Expose private methods to unit test.
     friend class FakeVehicleHardwareTestHelper;
 
-    // mValuePool is also used in mServerSidePropStore.
-    const std::shared_ptr<VehiclePropValuePool> mValuePool;
-    const std::shared_ptr<VehiclePropertyStore> mServerSidePropStore;
     const std::unique_ptr<obd2frame::FakeObd2Frame> mFakeObd2Frame;
     const std::unique_ptr<FakeUserHal> mFakeUserHal;
     std::mutex mCallbackLock;
diff --git a/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/Android.bp b/automotive/vehicle/proto/Android.bp
similarity index 94%
rename from automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/Android.bp
rename to automotive/vehicle/proto/Android.bp
index 3307bd6..683f128 100644
--- a/automotive/vehicle/2.0/default/impl/vhal_v2_0/proto/Android.bp
+++ b/automotive/vehicle/proto/Android.bp
@@ -25,8 +25,8 @@
 cc_library_static {
     name: "android.hardware.automotive.vehicle@2.0-libproto-native",
     visibility: [
-        "//hardware/interfaces/automotive/vehicle/2.0/default:__subpackages__",
-        "//device/generic/car/emulator/vhal_v2_0:__subpackages__",
+        "//hardware/interfaces/automotive/vehicle:__subpackages__",
+        "//device/generic/car/emulator:__subpackages__",
     ],
     vendor: true,
     host_supported: true,
diff --git a/automotive/vehicle/proto/VehicleHalProto.proto b/automotive/vehicle/proto/VehicleHalProto.proto
new file mode 100644
index 0000000..0dafe8c
--- /dev/null
+++ b/automotive/vehicle/proto/VehicleHalProto.proto
@@ -0,0 +1,110 @@
+/*
+ * Copyright (C) 2015 The Android Open Source Project
+ *
+ * Licensed under the Apache License, Version 2.0 (the "License");
+ * you may not use this file except in compliance with the License.
+ * You may obtain a copy of the License at
+ *
+ *      http://www.apache.org/licenses/LICENSE-2.0
+ *
+ * Unless required by applicable law or agreed to in writing, software
+ * distributed under the License is distributed on an "AS IS" BASIS,
+ * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ * See the License for the specific language governing permissions and
+ * limitations under the License.
+ */
+
+syntax = "proto2";
+
+package vhal_proto;
+
+// CMD messages are from workstation --> VHAL
+// RESP messages are from VHAL --> workstation
+enum MsgType {
+    GET_CONFIG_CMD = 0;
+    GET_CONFIG_RESP = 1;
+    GET_CONFIG_ALL_CMD = 2;
+    GET_CONFIG_ALL_RESP = 3;
+    GET_PROPERTY_CMD = 4;
+    GET_PROPERTY_RESP = 5;
+    GET_PROPERTY_ALL_CMD = 6;
+    GET_PROPERTY_ALL_RESP = 7;
+    SET_PROPERTY_CMD = 8;
+    SET_PROPERTY_RESP = 9;
+    SET_PROPERTY_ASYNC = 10;
+    DEBUG_CMD = 11;
+    DEBUG_RESP = 12;
+}
+enum Status {
+    RESULT_OK = 0;
+    ERROR_UNKNOWN = 1;
+    ERROR_UNIMPLEMENTED_CMD = 2;
+    ERROR_INVALID_PROPERTY = 3;
+    ERROR_INVALID_AREA_ID = 4;
+    ERROR_PROPERTY_UNINITIALIZED = 5;
+    ERROR_WRITE_ONLY_PROPERTY = 6;
+    ERROR_MEMORY_ALLOC_FAILED = 7;
+    ERROR_INVALID_OPERATION = 8;
+}
+
+enum VehiclePropStatus {
+    AVAILABLE = 0;
+    UNAVAILABLE = 1;
+    ERROR = 2;
+}
+
+message VehicleAreaConfig {
+    required int32 area_id = 1;
+    optional sint32 min_int32_value = 2;
+    optional sint32 max_int32_value = 3;
+    optional sint64 min_int64_value = 4;
+    optional sint64 max_int64_value = 5;
+    optional float min_float_value = 6;
+    optional float max_float_value = 7;
+}
+
+message VehiclePropConfig {
+    required int32 prop = 1;
+    optional int32 access = 2;
+    optional int32 change_mode = 3;
+    optional int32 value_type = 4;
+    optional int32 supported_areas = 5;  // Deprecated - DO NOT USE
+    repeated VehicleAreaConfig area_configs = 6;
+    optional int32 config_flags = 7;
+    repeated int32 config_array = 8;
+    optional string config_string = 9;
+    optional float min_sample_rate = 10;
+    optional float max_sample_rate = 11;
+};
+
+message VehiclePropValue {
+    // common data
+    required int32 prop = 1;
+    optional int32 value_type = 2;
+    optional int64 timestamp = 3;            // required for valid data from HAL, skipped for set
+    optional VehiclePropStatus status = 10;  // required for valid data from HAL, skipped for set
+
+    // values
+    optional int32 area_id = 4;
+    repeated sint32 int32_values = 5;  // this also covers boolean value.
+    repeated sint64 int64_values = 6;
+    repeated float float_values = 7;
+    optional string string_value = 8;
+    optional bytes bytes_value = 9;
+};
+
+// This structure is used to notify what values to get from the Vehicle HAL
+message VehiclePropGet {
+    required int32 prop = 1;
+    optional int32 area_id = 2;
+};
+
+message EmulatorMessage {
+    required MsgType msg_type = 1;
+    optional Status status = 2;        // Only for RESP messages
+    repeated VehiclePropGet prop = 3;  // Provided for getConfig, getProperty commands
+    repeated VehiclePropConfig config = 4;
+    repeated VehiclePropValue value = 5;
+    repeated string debug_commands = 6;  // Required for debug command
+    optional string debug_result = 7;    // Required for debug RESP messages
+};